var currency = new Array(5);
currency[0] = new Array('USD','1.3160','US dollars','$');
currency[1] = new Array('GBP','0.83220','British pounds','£');
var pounds = 1;
currency[2] = new Array('AUD','1.2311','Australian dollars','$');
currency[3] = new Array('CAD','1.3189','Canadian dollars','$');
currency[4] = new Array('EUR','1','Euros','€');

var minPrice = 40; // also set in data.php
var maxPrice = 200; // also set in data.php

var blurb=new Array();
var blurb_num=new Array();
		
var pages = new Array();
function Page()
{
	this.title;
	this.picture;
	this.text = new Array();
	this.casestudies = new Array();
	this.testimonials = new Array();
}

function caseStudy(name,desc,num)
{
	this.name = name;
	this.description = desc;
	this.num = num;
}

function Testimonial()
{
	this.attribution;
	this.testimonial = new Array();
}

var pic = new Image(50,50);
var prev_pic = new Image(50,50);
var next_pic = new Image(50,50);
var clockID = 0;
var rate = 0.7;
var weighted = 0.5;
var bx = new Array();
var by = new Array();
var bmode = new Array();
var block = 0;
var inprogress=0;
var image;
var counter = 0;
var ims = 79;
var images = new Array();
var current_pic;
var current_pic_num;
var current_pic_total;
var landingpage = "";
var currentHash= "";
var usedArrows = false;
for(var i=1; i<=ims; i++) images[i]=0;
for(i=0; i<20; i++){ bmode[i]=-1; bx[i]=0; by[i]=0; }

function goto(page)
{
	document.location='##'+page;
	show();
}

function setup()
{
	startTimer();
	show();
	setTimeout("checkHash()",100);
	setTimeout("loadBackgroundPages()",1000);
	var b = getElementsByClass("buttona");
	for(var i=0; i<b.length; i++)
	{
		var s = b[i].onclick;
		s = s.toString();
		s = s.substr(s.indexOf("goto(")+6);
		s = s.substr(0,s.indexOf(")")-1);
		b[i].href = "javascript:if(document.URL.indexOf('about:blank')!=-1) {window.location = 'http://simongoodway.com/##"+s+"';}";
	}
}

function loadBackgroundPages()
{
	if(!pages["main"]) ajax("do.php?action=getpage&getpage=main",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["books"]) ajax("do.php?action=getpage&getpage=books",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["websites"]) ajax("do.php?action=getpage&getpage=websites",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["cards"]) ajax("do.php?action=getpage&getpage=cards",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["xmascards"]) ajax("do.php?action=getpage&getpage=xmascards",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["process"]) ajax("do.php?action=getpage&getpage=process",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["prices"]) ajax("do.php?action=getpage&getpage=prices",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["contactme"]) ajax("do.php?action=getpage&getpage=contactme",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["testimonials"]) ajax("do.php?action=getpage&getpage=testimonials",doneLoadBackgroundPage,10,"backgroundpageload",true);
	else if(!pages["childrensbooks"]) ajax("do.php?action=getpage&getpage=childrensbooks",doneLoadBackgroundPage,10,"backgroundpageload",true);
}

function doneLoadBackgroundPage(s)
{
	loadPage(s);
	setTimeout("loadBackgroundPages()",1000);
}

function checkHash()
{
	h = window.location.hash.substr(2);
	if(h.substr(0,2)=="23") h = h.substr(2);
	if(!h) h = landingpage;
	if(currentHash != h) show();
	setTimeout("checkHash()",100);
}

function pageWidth()
{
        var a = window.innerWidth;
        if(!a) a = 0;
        var b = document.body.clientWidth;
        if(!b) b = 0;
        var c = document.documentElement.clientWidth;
        if(!c) c = 0;
        var d = 800;
        return Math.max(Math.max(a,b),Math.max(c,d));
}

function prevpic()
{
	prev_pic.src = "";
	pic.src = "";
	next_pic.src = "";
	if(!current_pic) return;
	setClass("prev_piccy","hidden","");
	$('prev_piccy').src = "";
	if(current_pic_total==2 && current_pic_num==1)
	{
		$('next_piccy').src = "";
		setClass("next_piccy","hidden","");
	}
	else
	{
		$('next_piccy').src = "casestudies/"+current_pic+"_"+(current_pic_num<10?"0":"")+current_pic_num+".jpg";
		setClass("next_piccy","","hidden");
	}
	current_pic_num = (current_pic_num>1?current_pic_num-1:current_pic_total);
	$('piccy').src = "casestudies/"+current_pic+"_"+(current_pic_num<10?"0":"")+current_pic_num+".jpg";
	
	if(current_pic_total>2 || current_pic_num==2)
	{
		prev_pic_num = (current_pic_num>1?current_pic_num-1:current_pic_total);
		//$('prev_piccy').src = "casestudies/"+current_pic+"_"+(prev_pic_num<10?"0":"")+prev_pic_num+".jpg";
		
		prev_pic.src = "casestudies/"+current_pic+"_"+(prev_pic_num<10?"0":"")+prev_pic_num+".jpg";
		prev_pic.onload = function()
		{
			$('prev_piccy').src = this.src;
			setClass("prev_piccy","","hidden");
		}
	}
	
	setInnerHTML("tip","");
	usedArrows = true;
}

function nextpic()
{
	prev_pic.src = "";
	pic.src = "";
	next_pic.src = "";
	if(!current_pic) return;
	setClass("next_piccy","hidden","");
	$('next_piccy').src = "";
	if(current_pic_total==2 && current_pic_num==2)
	{
		$('prev_piccy').src = "";
		setClass("prev_piccy","hidden","");
	}
	else
	{
		$('prev_piccy').src = "casestudies/"+current_pic+"_"+(current_pic_num<10?"0":"")+current_pic_num+".jpg";
		setClass("prev_piccy","","hidden");
	}
	current_pic_num = (current_pic_num<current_pic_total?current_pic_num+1:1);
	$('piccy').src = "casestudies/"+current_pic+"_"+(current_pic_num<10?"0":"")+current_pic_num+".jpg";
	
	if(current_pic_total>2 || current_pic_num==1)
	{
		next_pic_num = (current_pic_num<current_pic_total?current_pic_num+1:1);
		//$('next_piccy').src = "casestudies/"+current_pic+"_"+(next_pic_num<10?"0":"")+next_pic_num+".jpg";
		next_pic.src = "casestudies/"+current_pic+"_"+(next_pic_num<10?"0":"")+next_pic_num+".jpg";
		next_pic.onload = function()
		{
			$('next_piccy').src = this.src;
			setClass("next_piccy","","hidden");
		}
	}
	
	setInnerHTML("tip","");
	usedArrows = true;
}

function update()
{
	if(inprogress==0)
	{
		var r = Math.random();
		if(r<rate)
		{
			inprogress = 1;
			block = Math.round(Math.random()*(19));

			if(Math.random()<weighted)
			{
				for(i=0; i<5 && bmode[block]==-1; i++)
				{
					block = Math.round(Math.random()*(19));
				}
			}

			if(bmode[block]==-1)
			{
				var num=Math.round(Math.random()*(ims-1))+1;

				for(i=0; i<ims && images[num]==1; i++) num=(num%ims)+1;
				images[num] = 1;

				for(var j=0; j<10; j++)
				{
					by[block]=Math.floor(Math.random()*2)*50;
					bx[block]=Math.floor(Math.random()*(pageWidth()-649)/50)*50+250;


					for(i=0; i<20; i++)
					{
						if(i!=block && bx[i]==bx[block] && by[i]==by[block]) break;
					}
					if(i==20) break;
				}

				if(i==20)
				{
					bmode[block]=num;

					var img = "squares/";
					if(num < 100) img += "0";
					if(num < 10) img += "0";
					img += num;
					img += ".gif";
					var pic = new Image(50,50);
					pic.src=img;
					pic.onload = function()
					{
						image = img;
						setTimeout("update2()", 2000);
					}
				}
			}
			else
			{
				images[bmode[block]]=0;
				bmode[block]=-1;
				image = "";
				setTimeout("update2()", 2000);
			}
		}
	}
	clockID = setTimeout("update()", 1000);
}

function update2()
{
	var x = bx[block];
	var y = by[block];
	$('halfwhite').style.left=x+"px";
	$('halfwhite').style.top=y+"px";
	setTimeout("update3()", 100);
}

function update3()
{
	var x = bx[block];
	var y = by[block];
	$('white').style.left=x+"px";
	$('white').style.top=y+"px";
	if(image!="")
	{
		var e = createElement("img","block","block"+block,"","blocks","src",image);
		e.style.left=x+"px";
		e.style.top=y+"px";
	}
	else $("blocks").removeChild($("block"+block));

	setTimeout("update4()", 100);
}

function update4()
{
        $('white').style.left="-100px";
        setTimeout("update5()", 100);
}

function update5()
{
        $('halfwhite').style.left="-100px";
        inprogress = 0;
}

function startTimer()
{
        setTimeout("update()", 1000);
	setTimeout("doSomething()",2000);
}

function setFocus(field)
{
	document.getElementById(field).focus();
}

function checkForm()
{
	var emailRegEx = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;
        if(document.contactform.name.value=="")
        {
                setInnerHTML("error","Please enter your name.");
                setFocus("name");
        }
        else if (document.contactform.email.value.search(emailRegEx) == -1)
        {
                setInnerHTML("error","Please enter a valid email address.");
                setFocus("email");
        }
        else if(document.contactform.details.value=="")
        {
                setInnerHTML("error","Please enter a description of what you're after.");
                setFocus("details");
        }
        else return true;
        return false;
}

function preloadCaseStudy(image,n,total)
{
	if(!image) return;
	if(n>total) return;
     
	var image;
	var preload_pic = new Image(50,50);
	preload_pic.image = image;
	preload_pic.next = n+1;
	preload_pic.total = total;
	if(n<10) n="0"+n;
	preload_pic.src='casestudies/'+image+'_'+n+'.jpg';
	preload_pic.onload = function()
	{
		preloadCaseStudy(this.image, this.next, this.total);
	}
}

function embiggen(image)
{
	if(!image) return;
	prev_pic.src = "";
	pic.src = "";
	next_pic.src = "";
	setClass("case_study","","hidden");
	setClass("prev_piccy","hidden","");
	setClass("piccy","","hidden");
	setClass("next_piccy","hidden","");
	setClass("blurb","","hidden");
	$('piccy').src = "nav/hourglass.gif";
	$('prev_piccy').src = "";
	$('next_piccy').src = "";
        current_pic = image;
        current_pic_num = 1;
        current_pic_total = blurb_num[image];
        setInnerHTML("blurb",blurb[image]);
        setInnerHTML("testimonial","");  
	pic.src="casestudies/"+image+"_01.jpg";
	pic.onload = function()
	{
		$('piccy').src = this.src;
		$('piccy').style.visibility = "visible";
	}
        if(current_pic_total>1)
	{
		showArrows();
	
		if(current_pic_total>2)
		{
			prev_pic_num = (current_pic_num>1?current_pic_num-1:current_pic_total);
			//$('prev_piccy').src = "casestudies/"+current_pic+"_"+(prev_pic_num<10?"0":"")+prev_pic_num+".jpg";
			prev_pic.src = "casestudies/"+current_pic+"_"+(prev_pic_num<10?"0":"")+prev_pic_num+".jpg";
			prev_pic.onload = function()
			{
				$('prev_piccy').src = this.src;
				setClass("prev_piccy","","hidden");
			}
		}
		next_pic_num = (current_pic_num<current_pic_total?current_pic_num+1:1);
		//$('next_piccy').src = "casestudies/"+current_pic+"_"+(next_pic_num<10?"0":"")+next_pic_num+".jpg";
		next_pic.src = "casestudies/"+current_pic+"_"+(next_pic_num<10?"0":"")+next_pic_num+".jpg";
		next_pic.onload = function()
		{
			$('next_piccy').src = this.src;
			setClass("next_piccy","","hidden");
		}
	}
        else hideArrows();

       if(blurb_num[image]>1) setTimeout("preloadCaseStudy('"+image+"',2,"+current_pic_total+")", 5000);
}

function hideArrows()
{
        $('arrows').style.visibility='hidden';
        $('arrows').style.height=0;
        $('arrows').style.position='absolute';
        setInnerHTML("tip","");
}

function showArrows()
{
        $('arrows').style.visibility='visible';
        $('arrows').style.height=27;
        $('arrows').style.position='relative';
        if(!usedArrows) setInnerHTML("tip","Click on the 'Next' arrow to see other images from this project.");
	else setInnerHTML("tip","");
}

function moveFunction(sliderPosition) {
        var s = Math.max(0,Math.ceil(sliderPosition*9)-1);
        var price = minPrice+s*((maxPrice-minPrice)/8);
	$("price_picture").style.backgroundPosition = "0px -"+(s*300)+"px"; 
        setInnerHTML("priceinpounds",Math.round(price/10)*10);
        setInnerHTML("price",Math.round(price / currency[pounds][1] * currency[$("currencyfield").value][1]/10)*10);
}

function setCurrency()
{
	setInnerHTML("currency",currency[$("currencyfield").value][3]);
	setInnerHTML("price",Math.round($('priceinpounds').innerHTML / currency[pounds][1] * currency[$("currencyfield").value][1]/10)*10);
}

function Overlay(name,probability,prerequisites,postrequisites,duration,leave,cancelledby)
{
	this.name = name;
	this.probability = probability;
	this.prerequisites = prerequisites.split(",");
	this.postrequisites = postrequisites.split(",");
	this.duration = duration;
	this.leave = leave;
	this.cancelledby = cancelledby.split(",");
	this.displayed = false;
	this.img = new Image;
	this.img.name = this.name;
	this.img.duration = this.duration;
	this.img.onload = function(){ createElement("img","sidebar",this.name,"","sidebar","src",this.src); setTimeout("endOverlay('"+this.name+"');",this.duration); cancelOverlays(this.name); }
}

var overlays = new Array();
overlays.push(new Overlay("babygiraffeblink",18,"","lionup",300,false,""));
overlays.push(new Overlay("birdblink",18,"","birdflyaway",300,false,""));
overlays.push(new Overlay("elephantblink",18,"","",300,false,""));
overlays.push(new Overlay("giraffeblink",18,"","",300,false,""));
overlays.push(new Overlay("hippo1blink",18,"","drain",300,false,""));
overlays.push(new Overlay("hippo2blink",18,"","drain",300,false,""));
overlays.push(new Overlay("hippobirdblink",18,"","drain",300,false,""));
overlays.push(new Overlay("lionblink",18,"","lionup",300,false,""));
overlays.push(new Overlay("monkeyblink",18,"","monkeysnake",300,false,""));
overlays.push(new Overlay("snakeblink",18,"","monkeysnake",300,false,""));

overlays.push(new Overlay("ripple1",15,"","drain",1000,false,""));
overlays.push(new Overlay("ripple2",15,"","drain",1000,false,""));
overlays.push(new Overlay("ripple3",15,"","drain",1000,false,""));
overlays.push(new Overlay("waves",15,"","drain",1200,false,""));

overlays.push(new Overlay("hippobirddrill",9,"","drain",1000,false,""));
overlays.push(new Overlay("hippobirddrilldrained",9,"drain","",1000,false,""));

overlays.push(new Overlay("butterfly1",9,"","",4000,false,""));
overlays.push(new Overlay("butterfly2",9,"","",4000,false,""));
overlays.push(new Overlay("butterfly3",9,"","",4000,false,""));

overlays.push(new Overlay("squirrel",4,"","lionup",2420,false,""));
overlays.push(new Overlay("birdflap",4,"","birdflyaway",800,false,""));
overlays.push(new Overlay("birdhop",4,"","birdflyaway",1300,false,""));
overlays.push(new Overlay("giraffesmile",4,"","lionup",3500,false,""));
overlays.push(new Overlay("lionroar",4,"lionup","",2400,false,""));
overlays.push(new Overlay("monkeyswing",3,"","monkeysnake",1000,false,""));
overlays.push(new Overlay("snakeslither",3,"","monkeysnake",1000,false,""));
overlays.push(new Overlay("duck",3,"","drain",3600,false,""));
overlays.push(new Overlay("crab",3,"drain","",16000,false,""));
overlays.push(new Overlay("elephanttrunk",3,"","drain",1500,false,""));

overlays.push(new Overlay("birdflyaway",2,"","birdflyaway",1200,true,""));
overlays.push(new Overlay("liondown",6,"lionup","",700,false,""));
overlays.push(new Overlay("lionup",2,"","lionup",700,true,"liondown"));
overlays.push(new Overlay("giraffetwist",2,"","monkeysnake,lionup",5000,false,""));

overlays.push(new Overlay("monkeysnake",1,"","monkeysnake,lionup",3500,true,""));
overlays.push(new Overlay("drain",1,"","drain",1800,true,""));

var randmax = 0;
for(var i=0; i<overlays.length; i++)
{
	randmax += overlays[i].probability;
}

function cancelOverlays(n)
{
	for(var j=0; j<overlays.length; j++)
	{
		for(var k=0; k<overlays[j].cancelledby.length; k++)
		{
			if(overlays[j].cancelledby[k] == n)
			{
				overlays[j].displayed = false;
				if($(overlays[j].name))
				{
					$(overlays[j].name).parentNode.removeChild($(overlays[j].name));
				}
			}
		}
	}
}

function doSomething()
{
	var r = Math.floor(Math.random()*randmax);
	var z = r;
	for(var i=0; i<overlays.length && r>=0; i++)
	{
		r -= overlays[i].probability;
	}
	i--;
	
	var canDo = true;
	// check prerequisites
	for(var j=0; j<overlays[i].prerequisites.length && canDo; j++)
	{
		var p = getOverlayByName(overlays[i].prerequisites[j]);
		if(p && p.displayed == false) canDo = false;
	}
	// check postrequisites
	for(var j=0; j<overlays[i].postrequisites.length && canDo; j++)
	{
		var p = getOverlayByName(overlays[i].postrequisites[j]);
		if(p && p.displayed == true) canDo = false;
	}
	
	if(canDo)
	{
		overlays[i].displayed = true;
		
		if(overlays[i].img.src && overlays[i].img.complete)
		{
			createElement("img","sidebar",overlays[i].name,"","sidebar","src","sidebar_anim/"+overlays[i].name+".gif");
			setTimeout("endOverlay('"+overlays[i].name+"');",overlays[i].duration);
			cancelOverlays(overlays[i].name);
		}
		else
		{
			overlays[i].img.src = "sidebar_anim/"+overlays[i].name+".gif";
		}
	}
	else setTimeout("doSomething()",100);
}

function endOverlay(n)
{
	var o = getOverlayByName(n);
	if(o.leave == false)
	{
		$(n).parentNode.removeChild($(n));
	}
	
	setTimeout("doSomething()",100);
}

function getOverlayByName(n)
{
	for(var i=0; i<overlays.length; i++)
	{
		if(overlays[i].name==n) return overlays[i];
	}
	return false;		
}

function show()
{
	currentHash = window.location.hash.substr(2); if(currentHash.substr(0,2)=="23") currentHash = window.location.hash.substr(4);
	if(!currentHash) currentHash = landingpage;
	if(currentHash != landingpage) hideAll();
	if(pages[currentHash]) displayPage(currentHash);
	else ajax("do.php?action=getpage&getpage="+currentHash,loadPage,10,"page",true);
}

function hideAll()
{
	setClass("case_study","hidden","");
	setClass("prev_piccy","hidden","");
	setClass("piccy","hidden","");
	setClass("next_piccy","hidden","");
	setClass("blurb","hidden","");
	setClass("contactform","hidden","");
	$('prev_piccy').src = "";
	$('piccy').src = "";
	$('next_piccy').src = "";
	removeChildren("blurb");
	hideArrows();
	
	removeChildren("main_text");
	removeChildren("case_studies_inner");
	removeChildren("testimonial");
}

function displayPage(s)
{
	hideAll();
	
	blurb=new Array();
	blurb_num=new Array();
	
	var p = pages[s];
	
	if(p.title) document.title = p.title;
	else document.title = "simongoodway.com - Freelance illustrator and cartoonist";
	
	if(p.picture)
	{
		$("picture").style.backgroundImage = "url(pics/"+p.picture+")";		
		var img = document.createElement("img");
		img.setAttribute("src","pics/"+p.picture);
		img.onload = function(){ $("picture").style.height = this.height; }
	
		$("picture").style.height = "430px";
		$("picture").style.backgroundPosition = "0px 0px"; 
	}
		
	for(var i=0; i<p.text.length; i++)
	{
		createElement("p","","",p.text[i],"main_text");
	}
	
	for(i=0; i<p.casestudies.length; i++)
	{
		blurb[p.casestudies[i].name] = p.casestudies[i].description;
		blurb_num[p.casestudies[i].name] = p.casestudies[i].num;
		var a = createElement("a","","","","case_studies_inner","href","javascript:void(0);","onclick","embiggen('"+p.casestudies[i].name+"')");
		createElement("img","","","",a,"src","casestudies/"+p.casestudies[i].name+"_thumb.jpg");
	}
	
	for(i=0; i<p.testimonials.length; i++)
	{
		var t = createElement("div","testimonial","",p.testimonials[i].testimonial[0],"testimonial");
		for(var j=1; j<p.testimonials[i].testimonial.length; j++)
		{
			createElement("p","","",p.testimonials[i].testimonial[j],t);
		}
		createElement("div","attribution","",p.testimonials[i].attribution,"testimonial");
		if(i<p.testimonials.length-1) createElement("hr","testimonial_hr","","","testimonial","size","2");
	}
	if(p.testimonials.length>0 && currentHash!="testimonials")
	{
		var more = createElement("div","more","","","testimonial");
		createElement("a","","","More testimonials...",more,"href","javascript:void(0);","onclick","document.location='##testimonials'; show();");
	}
	
	if(p.casestudies.length>0) setInnerHTML("tip","Click on the thumbnails to enlarge.");
	
	
	if(currentHash=="prices")
	{
		$("price_picture").style.backgroundImage = "url(pics/pricescale.jpg)";
		$("price_picture").style.backgroundPosition = "0px -2400px";
		setInnerHTML("priceinpounds",maxPrice);
		setInnerHTML("price",Math.round(maxPrice / currency[pounds][1] * currency[$("currencyfield").value][1]/10)*10);
		setCurrency();
	}
	
	if(currentHash=="contactme") 
	{
		setFocus('name');
	}
}

function setInnerHTML(e,s)
{
	if(typeof(e)=="string") e = $(e);
	removeChildren(e);
	appendTextNode(e,s);
	//e.appendChild(document.createTextNode(s));
}

function loadPage(s)
{
	s = s.split("\r\n");
	var p = s[0];
	pages[p] = new Page();
	for(var i=1; i<s.length;)
	{
		var z = s[i++];
		if(z=="#TI")
		{
			pages[p].title = s[i++];
		}
		if(z=="#IM")
		{
			pages[p].picture = s[i++];
		}
		else if(z=="#TX")
		{
			pages[p].text.length=0;
			while(i<s.length-1 && s[i].substr(0,1)!="#") pages[p].text.push(s[i++]);
		}
		else if(z=="#CS")
		{
			pages[p].casestudies.length=0;
			while(i<s.length-1 && s[i].substr(0,1)!="#") pages[p].casestudies.push(new caseStudy(s[i++],s[i++],s[i++]));
		}
		else if(z=="#TS")
		{
			pages[p].testimonials.length=0;
			while(i<s.length-1 && s[i].substr(0,1)!="#")
			{
				var testimonial = new Testimonial();
				while(s[i]!="#") testimonial.testimonial.push(s[i++]);
				i++;
				testimonial.attribution = s[i++];
				pages[p].testimonials.push(testimonial);
			}
		}
	}
	if(p==currentHash) displayPage(currentHash);
}

function logContact()
{
	createElement("img","","","","main_text","height","1","width","1","style","border-style:none","src","http://www.googleadservices.com/pagead/conversion/1071938158/?label=_av2CJaM1AEQ7vSR_wM&amp;guid=ON&amp;script=0");
}

function removeChildren(n)
{
	if(typeof(n)=="string") n = $(n);
	var len = n.childNodes.length;
	for(var i=len-1; i>=0; i--)
	{
		n.removeChild(n.childNodes[i]);
	}
}

function $(e) {
	return document.getElementById(e);
}

function appendTextNode(appendTo,txt)
{
	if(!txt) return;
	if(typeof(txt)!="string")
	{
		appendTo.appendChild(document.createTextNode(txt));
		return;
	}
	
	var s = txt.indexOf("<");
	var left, mid, right;
	if(s==-1)
	{
		left = txt;
		if(left.length>0) appendTo.appendChild(document.createTextNode(left));
	}
	else
	{
		var e = txt.indexOf(">",s);
		if(e==-1)
		{
			left = txt;
			if(left.length>0) appendTo.appendChild(document.createTextNode(left));
		}
		else
		{
			left = txt.substring(0,s);
			if(left.length>0) appendTo.appendChild(document.createTextNode(left));
			mid = txt.substring(s+1,e);
			right = txt.substring(e+1);
			
			var z = mid.split(" ");
			var type = z[0];
			var nodeclass="";
			var nodeid="";
			var fields="";
			var textnode="";
			for(var j=1; j<z.length; j++)
			{
				//var field = z[j].split("=");
				var q = z[j].indexOf("=");
				if(q!=-1)
				{
					var f = z[j].substr(0,q);
					var v = z[j].substr(q+1);
					if((v.substr(0,1)=="'" || v.substr(0,1)=='"')  && (v.substr(v.length-1,1)!="'" && v.substr(v.length-1,1)!='"'))
					{
						for(j=j+1; j<z.length; j++)
						{
							v += " "+z[j];
							if((v.substr(v.length-1,1)=="'" || v.substr(v.length-1,1)=='"')) break;
						}
					}
					if((v.substr(0,1)=="'" || v.substr(0,1)=='"')  && (v.substr(v.length-1,1)=="'" || v.substr(v.length-1,1)=='"')) v = v.substr(1,v.length-2);
					f = f.replace(/'/g,"\\'");
					v = v.replace(/'/g,"\\'");
					if(f=="class") nodeclass=v;
					else if(f=="id") nodeid=v;
					else fields +=",'"+f+"','"+v+"'";
				}
			}
			
			var f = new Function("appendTo","return createElement('"+type+"','"+nodeclass+"','"+nodeid+"','',appendTo"+fields+")");
			var el = f(appendTo);
			var str = "</"+type+">";
			var e = right.indexOf(str);
			var nests = 0;
			var prevnests = -1;
			var nested = 0;
			while(e!=-1 && prevnests < nested)
			{
				left = right.substring(0,e);
				nested = 0;
				var n1=-1;
				do
				{
					var n = n1;
					n1=left.indexOf("<"+type+">",n+1);
					var n2=left.indexOf("<"+type+" ",n+1);
					if( ( n1 >= 0 && n2 >= 0 && n2<n1) || ( n1 <0 && n2 >= 0 )  ) n1 = n2;
					if(n1>=0) nested++;
				} while(n1>=0 && nested<50);
				prevnests = nests;
				for(n1=prevnests; n1<nested && e!=-1; n1++)
				{
					e = right.indexOf(str,e+1);
					nests++;
				}
			}
			if(e!=-1)
			{
				left = right.substring(0,e);
				right = right.substring(e+str.length);
				if(left.length>0) appendTextNode(el,left);
				if(right.length>0) appendTextNode(appendTo,right);
			}
			else
			{
				if(right.length>0) appendTextNode(appendTo,right);
			}
		}
	}
}

function getElementsByClass(searchClass,node,tag)
{
	var classElements = new Array();
	if ( node == null ) node = document;
	if ( tag == null ) tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (var i = 0, j = 0; i < elsLen; i++)
	{
		if ( pattern.test(els[i].className) )
		{
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}


function createElement(type,cl,id,childTextNode,appendTo)
{
	if(typeof(appendTo)=="string") appendTo = $(appendTo);

	var e;
	var appended = false;
	if(type=="tr" && appendTo && appendTo.insertRow!==undefined)
	{
		appended = true;
		e = appendTo.insertRow(-1);
	}
	else if(type=="td" && appendTo && appendTo.insertCell!==undefined)
	{
		appended = true;
		e = appendTo.insertCell(-1);
	}
	else e = document.createElement(type);
	if(cl) e.setAttribute("class",cl);
	if(cl) e.setAttribute("className",cl);
	if(id) e.setAttribute("id",id);
	if(childTextNode) (typeof(childTextNode)=="string"||typeof(childTextNode)=="number"?appendTextNode(e,childTextNode):e.appendChild(childTextNode));
	for(var i=5; i<arguments.length; i+=2)
	{
		if(arguments[i] && arguments[i+1])
		{
			if(arguments[i].substr(0,2)=="on")
			{
				e[arguments[i]] = new Function("this.blur(); "+arguments[i+1]);
			}
			else if(arguments[i]=="style")
			{
				var s = arguments[i+1].split(";");
				for(var j=0; j<s.length && s[j].length>0; j++)
				{
					if(s[j].length>0)
					{
						var t = s[j].split(":");
						if(t.length>1) e.style[t[0].replace(/^\s*|\s*$/g,'')] = t[1].replace(/^\s*|\s*$/g,'');
					}
				}
			}
			else
			{
				e.setAttribute(arguments[i],arguments[i+1]);
			}
		}
	}
	if(appendTo && !appended) appendTo.appendChild(e);
	return e;
}

function setClass(el, classAdd, classRemove)
{
	if(typeof(el)=="string") el = $(el);
	if(el)
	{
		var cl = el.className;
		cl = cl.split(" ");
		var cl2 = "";
		for(var i=0; i<cl.length; i++)
		{
			if(cl[i]!=classRemove) cl2+=cl[i]+" ";
			if(cl[i]==classAdd) classAdd = "";
		}
		if(classAdd!="") cl2+=classAdd;
		el.className = cl2;
		if(cl=="visibletab") // IE bug
		{
			el.style.visibility = 'visible';
		}
	}
}

var requests = new Array();

function ajax(url, callback, retrytime, rclass, obsolescent)
{
	newHttpRequest(getFolder()+url, callback, retrytime, rclass, obsolescent);
}

function newHttpRequest(url, callback, retrytime,rclass,obsolescent)
{
	if(rclass)
	{
		for(var n=0; n<requests.length; n++) if( ( requests[n].rclass == rclass && !obsolescent ) || ( requests[n].rclass == rclass && requests[n].url==url ) ) return;
		
		for(n=0; n<requests.length; n++)
		{
			if(requests[n].rclass == rclass && requests[n].obsolescent == true)
			{
				requests[n].Obsolete();
			}
		}
	}
	
	requests[requests.length] = new httpRequest(url, callback, retrytime,rclass,obsolescent);
	if(requests.length==1) requests[0].sendHttpRequest();
}

function getTime()
{
	var date = new Date();
	return date.getTime();
}

function httpRequest(url, callback, retrytime,rclass,obsolescent)
{
	var req;
	var state = 0;
	var time = getTime();
	var obsolete = false;
	this.rclass = rclass;
	this.obsolescent = obsolescent;
	this.url = url;
	
	this.sendHttpRequest = function()
	{
		_sendHttpRequest();
	}
	
	this.Obsolete = function()
	{
		obsolete = true;
	}
	
	function _sendHttpRequest()
	{
		state = 0;
		if(window.XMLHttpRequest)
		{
			req = new XMLHttpRequest();
			req.onreadystatechange = httpRequestCallback;
			req.open("GET", url, true);
			req.send(null);
		}
		else if(window.ActiveXObject)
		{
			req = new ActiveXObject("Microsoft.XMLHTTP");
			req.onreadystatechange = httpRequestCallback;
			req.open("GET", url, true);
			req.send();
		}
	}

	function httpRequestCallback()
	{		
		if (req.readyState == 4)
		{
			var ok = true;
			try { req.status }
			catch(err) { ok = false; }
			    
			if (ok && req.status && req.status == 200)
			{
				if(!obsolete && callback) callback(req.responseText);
				requests.splice(0,1);
				while(requests.length>0 && requests[0].obsolete==true) requests.splice(0,1);
				if(requests.length>0) requests[0].sendHttpRequest();
			}
			else ok = false;
			
			if(!ok)
			{
				var date = new Date();
				if((!retrytime || retrytime==0 || date.getTime()<time+retrytime*1000) && !obsolete) _sendHttpRequest(); 
				else
				{
					requests.splice(0,1);
					while(requests.length>0 && requests[0].obsolete==true) requests.splice(0,1);
					if(requests.length>0) requests[0].sendHttpRequest();
				}
			}
		}
	}	
}

function getFolder()
{
	        return "http://www.simongoodway.com/";
}

function sliderClick(e)
{
if(document.onmousemove == slideIsMove) return;
var oPix = document.childNodes ? 'px' : 0;
e2 = sliderMousePos(e);
var theNewPos = e2[0]-$("slider2").offsetLeft-8;
		if( theNewPos < 0 ) { theNewPos = 0; }
		if( theNewPos > 139 ) { theNewPos = 139; }
		$("MWJ_slider_controls0").style.left = theNewPos + oPix;
slideIsDown(e);
		moveFunction(theNewPos/139);
}
	
function slideIsDown(e) {
	var slider = $("MWJ_slider_controls0");
	//make note of starting positions and detect mouse movements
	window.msStartCoord = sliderMousePos(e); window.lyStartCoord = slider.style?[parseInt(slider.style.left),parseInt(slider.style.top)]:[parseInt(slider.left),parseInt(slider.top)];
	if( document.captureEvents && Event.MOUSEMOVE ) { document.captureEvents(Event.MOUSEMOVE); document.captureEvents(Event.MOUSEUP); }
	window.storeMOUSEMOVE = document.onmousemove; window.storeMOUSEUP = document.onmouseup; window.storeLayer = slider;
	document.onmousemove = slideIsMove; document.onmouseup = slideIsMove; return false;
}

function sliderMousePos(e) {
	//get the position of the mouse
	if( !e ) { e = window.event; } if( !e || ( typeof( e.pageX ) != 'number' && typeof( e.clientX ) != 'number' ) ) { return [0,0]; }
	if( typeof( e.pageX ) == 'number' ) { var xcoord = e.pageX; var ycoord = e.pageY; } else {
		var xcoord = e.clientX; var ycoord = e.clientY;
		if( !( ( window.navigator.userAgent.indexOf( 'Opera' ) + 1 ) || ( window.ScriptEngine && ScriptEngine().indexOf( 'InScript' ) + 1 ) || window.navigator.vendor == 'KDE' ) ) {
			if( document.documentElement && ( document.documentElement.scrollTop || document.documentElement.scrollLeft ) ) {
				xcoord += document.documentElement.scrollLeft; ycoord += document.documentElement.scrollTop;
			} else if( document.body && ( document.body.scrollTop || document.body.scrollLeft ) ) {
				xcoord += document.body.scrollLeft; ycoord += document.body.scrollTop; } } }
	return [xcoord,ycoord];
}
function slideIsMove(e) {
if (window.getSelection) window.getSelection().removeAllRanges();
else if (document.selection && document.selection.empty) document.selection.empty();
	//move the slider to its newest position
	var msMvCo = sliderMousePos(e); if( !e ) { e = window.event ? window.event : ( new Object() ); }
	var theLayer = window.storeLayer.style ? window.storeLayer.style : window.storeLayer; var oPix = document.childNodes ? 'px' : 0;
	var theNewPos = window.lyStartCoord[0] + ( msMvCo[0] - window.msStartCoord[0] );
	if( theNewPos < 0 ) { theNewPos = 0; } if( theNewPos > 139 ) { theNewPos = 139; }
	theLayer.left = theNewPos + oPix;
	//run the user's functions and reset the mouse monitoring as before
	if( e.type && e.type.toLowerCase() == 'mousemove' ) {
		moveFunction(theNewPos/139);
	} else {
		document.onmousemove = storeMOUSEMOVE; document.onmouseup = window.storeMOUSEUP;
		if( window.storeLayer.stopFunc ) { window.storeLayer.stopFunc(theNewPos/window.storeLayer.maxLength); }
	}
}